Small empty heavy duty sand bag.
Small empty heavy duty sand bag (GREEN) 4FT LONG X 1FT WIDE.
Blocks
A much bigger block with a cavity/hole going through the center.
Bags
An empty big bag.
Regular 4" block with a 90 degree offset.
Quarry Products
2" clean medium sized stone
A tonne bag of sand.
4" clean large stone
Gravel
Aggregate mix
Drainage stone-small smooth rounded stone
Chips
Clause 804
Regular 4" block with a 30 degree offset.